Tamil Nadu Generation And Distribution Corporation Limited-TANGEDCO has published Tender For Mtps-Ii (1X600mw) – Tgm&Ca Division– Attending Breakdown Maintenance Of Valves, Overhauling & Gasket Renewal Of Gate/Globe Valves, Removal Of Insulation And Providing New Insulation To Valves And Pipe Lines Of Main Turbine, Pumps And Its Auxili. Submission Date for this Tender is 20-06-2023. Mechanical engineering Service Tenders in Salem Tamil Nadu. Bidders can get complete Tender details and download the document.
| Sl. No. | Item Description |
| 1 | Cutting and welding of new Globe/Gate valve 1” 1500/2500 class HO/MO valves or equivalent joints by IBR welder Cutting the defective 1” valve or equivalent in drain/vent line grinding and welding the new valve in the line by IBR welder with required T&P and consumables. |
| 2 | Cutting and welding of new Globe/Gate valve 1” 800/1500 class HO/MO valves or equivalent joints by Non IBR welder. Cutting the defective 1” valve or equivalent in drain/vent line preparing the edges and welding with new valve by Non IBR welder with required T&P and consumables. |
| 3 | Overhauling of50 NB Size valves Dismantling the valve, cleaning all the parts of the valve, checking the seating surfaces and actuator bearings. Lapping the gate / seat / disc / flap for perfect blue matching. Reassembling the valve with new bonnet gaskets and gland packings. |
| 4 | Overhauling of80 NB Size valves Dismantling the valve, cleaning all the parts of the valve, checking the seating surfaces and actuator bearings. Lapping the gate / seat / disc / flap for perfect blue matching. Reassembling the valve with new bonnet gaskets and gland packingswith required T&P and consumables.. |
| 5 | Welding of Upto 50 NB Carbon steel welding Joints Cutting the pin holed or punctured piping joints by cutting the pipe line grinding & Welding of new joints in line by IBR welder with required T&P and consumables |
| 6 | Welding of Upto 50 NB SS welding Joints Cutting the pin holed or punctured piping joints by cutting the pipe line grinding & Welding of new joints in line by IBR welder with required T&P and consumables. |
| 7 | Overhauling ofGV,GLV 200 mm / 40 ATAMOV, GV 250/40 ATAHO, SCNRV 250 / 300 / 40 ATA Dismantling the valve, cleaning all the parts of the valve, checking the seating surfaces and actuator bearings. Lapping the gate / seat / disc / flap for perfect blue matching. Reassembling the valve with new bonnet gaskets and gland packingswith required T&P and consumables.. |
| 8 | Charges for providing re-insulation with new Ceramic blankets / wool mattres and oldAluminum sheets. This work involve removing existing damaged insulation in valves and steam lines, cutting of mattress for required sizes and putting back after the removing the existing wool blanketswith required T&P and consumables. |
| 9 | Repair/Replacing of 150 NB, 200 NB, 250 NB various sizes of butterfly valve: Charges for repairing/replacing ofbutterfly valve including dismantling of valve internals, renewal of wornout spares and painting of valve including the cost of all required consumables. |
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